Image Alt Text Checker
Check if your website images have proper alt text for free and improve your SEO and accessibility scores.
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Free Image Alt Text Checker Online
Missing alt text hurts your SEO and makes your site inaccessible to visually impaired visitors. This free checker scans every image on your pages and tells you which ones need alt text added or improved.
How to use this free tool
Enter your website URL to scan all image alt text.
The tool finds every image and checks its alt attribute.
Get a list of images with missing or bad alt text for free.
Frequently Asked Questions
Everything you need to know about our free service.
Is the image alt text checker free?
Yes. You can check alt text on as many pages as you want completely free with no limits.
Why does alt text matter for SEO?
Alt text helps Google understand what your images show. It also helps your images appear in Google Image Search and improves accessibility.
Is my website safe during the check?
Yes. The check runs inside your browser and your website data is never stored or shared.